British actor Donald Sumpter, cast in the role of Maester Luwin in HBO’s Game of Thrones, has been announced to provide his vocal talents towards the new, direct-to-DVD motion captured Ultramarines film in the Warhammer 40k setting. At the 4:05 mark, Sumpter is interviewed, and it gives a great chance get a look a the actor playing one of the many memorable characters in the series. Alongside Sumpter, the likes of John Hurt and Terence Stamp (who has received some support among fans as a possible choice for Tywin Lannister) will also provide their talents to the production.

Much more about Ultramarines can be found at the Wertzone, which brought the video above to our attention.